asvab SCIENCE
asvab SCIENCE
ASVAB Electronics Information Practice Test
Practice with real ASVAB Electronics Information questions and step-by-step video lessons on current, Ohm's law, circuits, and electrical components.
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Video Lessons
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Practice Problems
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How to Use StudyPug for ASVAB Electronics Information
A 4-step method built around the EI subtest
1
Take a Diagnostic
Find your gaps across circuits, components, and electrical theory
2
Watch Video Lessons
Focused videos on Ohm's law, circuit types, and schematics
3
Practice Problems
ASVAB-style electronics questions with instant step-by-step feedback
4
Take Mock Exam
Full EI-style timed practice set
Free ASVAB Electronics Information Practice Test
Try a sample question or watch a lesson preview
What's on the ASVAB Electronics Information Subtest
Every topic type tested on the EI subtest
Current, Voltage & Ohm's Law
- Electrical current — AC vs. DC and how it flows
- Voltage, resistance, and Ohm's law calculations
- Electrical power and the power formula
- Units — volts, amps, ohms, and watts
Circuit Types
- Series circuits — total resistance and shared current
- Parallel circuits — branch current and voltage drop
- Mixed series-parallel circuit analysis
- Open circuits, short circuits, and grounding
Materials & Components
- Conductors, insulators, and resistivity
- Semiconductors, diodes, and transistors
- Capacitors, inductors, and transformers
- Resistors, switches, fuses, and relays
Tools, Symbols & Systems
- Electrical tools and safety procedures
- Reading schematic symbols and wiring diagrams
- Household and vehicle electrical systems
- Frequency, wavelength, and basic radio concepts
ASVAB Electronics Information Study Guide
Start anywhere, or follow the subtest-aligned order
Help
1. Electrical current
3. Series circuits
3. Conductors and insulators
4. Electrical tools and safety
5. Electrical systems overview
6 Chapters · 11 Topics · 7 Videos
Everything You Need to Know About ASVAB Electronics Information
Format and scoring, so there are no surprises on test day.
Total Duration
10 min
CAT-ASVAB subtest time limit
Standard Score
30-70
Average is 50; feeds job line scores
Number of Questions
15
Scored questions (CAT-ASVAB)
Cost
Free
Administered by the military at MEPS/MET sites
About the ASVAB Electronics Information subtest
Electronics Information (EI) is one of the ten subtests on the ASVAB — the U.S. military's enlistment aptitude test. It measures your knowledge of electricity and electronics: current, circuits, components and how they work together. EI isn't part of your AFQT, but it feeds the line (composite) scores the services use to qualify you for electronics, avionics and technical jobs. This free ASVAB Electronics Information practice test mirrors the real subtest, with a step-by-step video solution for every question so a wrong answer turns into a lesson.
What does ASVAB Electronics Information cover?
On the CAT-ASVAB, Electronics Information is 15 scored questions in 10 minutes. Questions test electrical concepts (current, voltage, resistance and Ohm's law), circuits (series and parallel), electronic components (resistors, capacitors, diodes and transistors), and safety, symbols and wiring. StudyPug covers all of these with adaptive practice and video lessons.
Is ASVAB Electronics Information hard, and where do test-takers struggle most?
Most test-takers struggle with Ohm's law relationships and with reading circuit diagrams under time pressure (just 10 minutes). A quick diagnostic finds those gaps, then adaptive practice and worked examples build a reliable approach.
How is ASVAB Electronics Information scored?
Each ASVAB subtest is reported as a Standard Score, a scale where the average is 50 and most scores fall between 30 and 70. Electronics Information is not one of the four AFQT subtests, but its Standard Score feeds several job-qualifying line scores. Our practice tracks your readiness by topic.
How StudyPug ASVAB prep works
Take a diagnostic, watch focused video lessons on your weak topics, practice with instant step-by-step feedback, then take a full-length mock. 92% of students improve their grades with StudyPug.
Electronics Information — FAQ
We've got answers to some popular questions.
Do I need a subscription to practice Electronics Information?
You can create an account and start working Electronics Information practice questions with step-by-step solutions right away. A StudyPug plan opens the full diagnostics and study plans for StudyPug's Electronics Information prep.
What does Electronics Information actually test?
Officially, Electronics Information measures "knowledge of electricity and electronics." The official sample questions cover things like current in a circuit, measuring instruments, and components such as diodes.
What score do I need on Electronics Information?
Electronics Information is not part of your AFQT, so it sets no enlistment minimum of its own. It comes back as a standard score, where 50 is average for a nationally representative sample of young adults, and it counts toward the service composites that decide which jobs you qualify for. Electronics Information counts toward the Air Force Electronic composite, the Marine Corps Electrical and Mechanical composites, and Navy technical composites. Ask your recruiter for the cutoff attached to the job you want.
Is Electronics Information the same on the computer and paper ASVAB?
The content is the same; the length is not. On the CAT-ASVAB it is 15 scored questions with 10 minutes, and on the paper version it is 20 questions in 9 minutes. Each examinee also gets unscored tryout questions in two to four subtests, which raises the time limit for those subtests.
Reviewed by the StudyPug team
Last updated Aug 13, 2026
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